Ninja finally made a Slushi machine that can make two different flavors at once. (Consider it a modern twist on the Margaritaville Tahiti .) Announced May 11, the Ninja Slushi Twist kind of looks like two regular Slushi machines fused together. You can see where this is going. Neo no longer has to choose between red and blue. Credit: Ninja Each vessel still has its own individual spout and handle, so flavors can be dispensed independently of each other. The fun part? Hit the button in the middle to swirl them together for a perfectly-layered striped drink. Get notified for a restock Though small Slushi upgrades have been released here and there, this is easily the biggest news since the initial Slushi launched in July 2024. It's not surprising that it's already out of stock on the day of its release. The Slushi Twist costs $399.99, though, and you can sign up to have SharkNinja notify you when it's back.…